Hayter 455E - Servicing the Spark Plug

Figure26
1.Gasket
8.Installthenewlterandhandtightenit2/3turn
only.
9.FillthecrankcasetotheFulllineonthedipstickwith
freshoilRefertoFillingtheCrankcasewithOil.
10.Connectthewiretothesparkplug.
11.Runtheengineforabout3minutes.
12.Stoptheengine,waitforallmovingpartstostop,
andcheckforoilleakagearoundthelter.
13.Addoiltocompensatefortheoilintheoillter.
RefertoCheckingtheEngineOilLevel.
14.Recycletheusedoillteraccordingtolocalcodes.
ServicingtheSparkPlug
ServiceInterval:Every100hours—Checkthespark
plug.
UseanNGKBPR5ESsparkplugorequivalent.
1.Stoptheengineandwaitforallmovingpartstostop.
2.Disconnectthewirefromthesparkplug(Figure12).
3.Cleanaroundthesparkplug.
4.Removethesparkplugfromthecylinderhead.
Important:Replaceacracked,fouled,or
dirtysparkplug.Donotcleantheelectrodes
becausegritenteringthecylindercandamage
theengine.
5.Setthegapontheplugto0.030in.(0.76mm)
(Figure27).
Figure27
1.Centerelectrodeinsulator
2.Sideelectrode
3.Airgap(nottoscale)
6.Installthesparkplugandthegasketseal.
7.Torquetheplugto17ft-lb(23N-m).
8.Connectthewiretothesparkplug.
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